Implemented basic heap memory allocation tracking in MallocHooks using hooks registered with tcmall…

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "lib/stacktrace.h"
 #include "vm/class_finalizer.h"
 #include "vm/clustered_snapshot.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_message.h"
 #include "vm/dart_api_state.h"
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
 #if !defined(DART_PRECOMPILED_RUNTIME)
 #include "vm/kernel_reader.h"
 #endif
 #include "vm/exceptions.h"
 #include "vm/flags.h"
 #include "vm/growable_array.h"
 #include "vm/lockers.h"
 #include "vm/isolate_reload.h"
 #include "vm/kernel_isolate.h"
+#include "vm/malloc_hooks.h"
 #include "vm/message.h"
 #include "vm/message_handler.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/os_thread.h"
 #include "vm/os.h"
 #include "vm/port.h"
 #include "vm/precompiler.h"
 #include "vm/profiler.h"
@@ skipping 1126 matching lines @@
         "Dart_Initialize: "
         "Dart_InitializeParams is null.");
   }
 
   if (params->version != DART_INITIALIZE_PARAMS_CURRENT_VERSION) {
     return strdup(
         "Dart_Initialize: "
         "Invalid Dart_InitializeParams version.");
   }
 
+  MallocHooks::Init();
+
   return Dart::InitOnce(params->vm_isolate_snapshot,
                         params->instructions_snapshot, params->data_snapshot,
                         params->create, params->shutdown, params->thread_exit,
                         params->file_open, params->file_read,
                         params->file_write, params->file_close,
                         params->entropy_source, params->get_service_assets);
 }
 
 
 DART_EXPORT char* Dart_Cleanup() {
   CHECK_NO_ISOLATE(Isolate::Current());
   const char* err_msg = Dart::Cleanup();
+  MallocHooks::TearDown();
   if (err_msg != NULL) {
     return strdup(err_msg);
   }
   return NULL;
 }
 
 
 DART_EXPORT bool Dart_SetVMFlags(int argc, const char** argv) {
   return Flags::ProcessCommandLineFlags(argc, argv);
 }
@@ skipping 5618 matching lines @@
 }
 
 
 DART_EXPORT void Dart_DumpNativeStackTrace(void* context) {
 #ifndef PRODUCT
   Profiler::DumpStackTrace(context);
 #endif
 }
 
 }  // namespace dart